Zero Day Initiative — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
December 10, 2025
Last Seen
July 17, 2026

Zero Day Initiative is a organization tracked across 4 threat clusters and 4 intelligence report mentions on ThreatCluster. First observed December 10, 2025; most recent activity July 17, 2026.

Overview

Zero Day Initiative (ZDI) is a vulnerability disclosure program run by Trend Micro's TippingPoint that discovers, validates, and responsibly reports zero-day flaws to vendors and the public. It publishes advisories and coordinates with vendors to accelerate patches, making it a central force in reducing exposure to zero-days and guiding defensive strategies in cybersecurity.

Related Threat Clusters

Recent Intelligence Reports

  • 7 — Gbhackers · July 17, 2026
  • Vulnerability Embargos Are Dead — jericho.blog · May 28, 2026
  • Buy A Help Desk, Bundle A Remote Access Solution? (SolarWinds Web Help Desk Pre — Labs.Watchtowr · February 25, 2026
  • Microsoft won't fix .NET RCE bug affecting enterprise apps — Theregister · December 10, 2025

CVSS v3.1 Breakdown